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calibri

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  1. C

    working abroad - non uk work .

    Hello . I was wondering if anyone can help me , im new to this site and just finding my way around . Im wondering if anyone knows o any contacts or companies for who re looking for electricians ? i m interested in anywhere for example iraq afganistan Dubai etc . Any help would be greatly...
  2. B

    semi-mobile garage

    Hello, Just purchased an 8.5’ X 20’ enclosed trailer to haul my racecar to the track, I am going to add 2 solar panels (180-210 watts, each) andbatteries to supply power for lighting, stereo, Laptop, 12volt winch, misc electricaltools. I will not have much control over pitch or direction of...
  3. Dic Penderyn

    Cable spec for a factory cooler!

    Howz it Lads & Ladettes! There's a huge project afoot! No cable spec yet! Would anyone have a incline to what cable size might be required for the following Cooler for a Diary Factory? · Model RTAC 250 HE · Power: 628 kW · Electrcial power unity: 253 kW · Power...
  4. L

    Prospective Fault Current

    Hi Guys, We measured PSCC on a three phase dist board in a commercial establishment. This board is fed from a main switch board with a main 400Amp switchfuse with BS88-2 fuses rated at 88kA. Feeding a second 160Amp switchfuse with BS88-2 fuses protecting the cabling to the board we were...
  5. A

    Nuisance tripping RCD

    Having installed a new cu in a customers house I found the fan assisted oven (cooker only as the hob is gas powered and the cooker was fed through the ring main) was tripping the RCD constantly. There were no faults that I could find so I laid a dedicated radial to the cooker. This has very...
  6. K

    DNO and Ze values

    Greetings, ENW are now quoting figures of 0.8 for the maximum value for tncs (or pme, whichever you prefer.) Our company have always reported high Ze figures directly from the property, (no different to anyone else in the same position)and UU have always responded to high readings, but since ENW...
  7. S

    GS Solar UK - Thin film PV looking to for partners.

    Dear Forum members I would like today to introduce GS-Solar (UK) Company Ltd, amanufacturer of the revolutionary “Thin film” Solar PV modules. Our mothercompany, GS-Solar (China), is one of the largest producers of thin film solarmodules in the world; using our proprietary manufacturing...
  8. M

    Voluntary Work

    Hi Guys I’m currently unemployed and looking for some voluntary work in the electrician field. I’ve passed my Part P qualification and I’m currently waiting to start the 17th Edition course. I am willing to work for free a few days a week, as at the moment I’m just job searching and I would...
  9. A

    Minor Works certificate required?

    Hi all, I'm working in a factory enviroment at present installing new boilers(straight swap new for old). Unfrotunately, one of the fuse spurs had to be modified and re-located slightly, because the new boiler location rendered the fuse spur as inaccessable. In effect I have now changed the...
  10. kevyn

    Debt collection from non paying customers..........

    Hi all, Has anyone had to deal with a debt collection company to get their money out of a customer? I am thinking about contacting one as a farmer (typical...) owes me over £900 for work carried out on his farm. He is already on his reminder which gives him another 14 days to cough up which...
  11. S

    LV Incoming mains calculations for 66 Flats

    I have been asked to calculate the size of HV transformer needed for a resort of 66 small 1 bed flats, they will be 2nd homes in the sun. Each room has a maximum load of 50Amps 66 rooms X 50 Amps = 3,300 Amps Not everyone will use every electrical appliance all the time, so we can reduce...
  12. M

    olci construction training,Basildon ANY GOOD

    Hi all I’m thinking about starting a olci training course to become an electrician. Has anyone got any past experience with this company and is the training any goods and worth the money. I’m going to be doing City & Guilds Levels 2 and 3(2330) and City & Guilds 2356 Level 3 NVQ Certificate...
  13. E

    External sub mains which type of earth do you use as the CPC…

    When the origin is a TNCS and you are running to say a shed/barn which you are going to make TT. Which do you use to protect the sub main run the TNCS or the TT?. I’m thinking it’s the TT earth you use to protect the incoming cable. What do you guys use?
  14. T

    advice on invoicing software

    Hi all, Just wanted some advice on invoicing software, Which one do you use?? How do you rate them? Have been using invoice2go but find it a bit flaky and it is too easy to trash all of your invoices in about 4 clicks, backups arnt perfect hence need a new program All thoughts and advice...
  15. B

    check this out n give me ur feedback

    The 2391 practical assessment Before you start!!! 1. Ask for previous test results Functional test 1. test 1 way light switch 2. test 2 way light switch 3. test dimmer light switch 4. test 3 phase socket with phase rotation tester (indicator lamp type or...
  16. L

    Dissertation help! Part p review!

    Dear Sir/Madam Re: Dissertation – BSc Building Surveying I am currently undertaking a Bachelor of Science Degree in Building Surveying at Kingston University. In fulfilment of my dissertation I am required to research a topic area and produce a dissertation. The topic I have chosen is ` A review...
  17. Y

    Earth Fault

    I have recently fitted some lights in an attic and when I came to testing found the cpc showing 60 volts. I switched each mcb off in turn and the fault dissapeared when I turned off the downstairs lighting mcb. I am going back this weekend to sort the problem out so will start with an IR test...
  18. P

    Help with Apprenticship work please

    Hi all, Im just doing some work for my level 2 JTL Portfolio and am stuck on the following two questions; What are the common types, their advantages and limitations of wiring systems, wiring enclosures and equipment? and... How would you determine whether a wiring system, wiring...
  19. T

    council building p.i.r

    Called to a public council building to carry out a p.i.r on it Came across disabled shower room with, hand dryer, water heater, and convector heater 3kw all class 1 ,all Supplied by switched fused spurs in the shower room 30marcd protected style Shower without basin/wet room fig701.1 Now all...
  20. P

    Two Voltage/CCurrent Values on Motor

    Motor Tags.doc - File Shared from Box.net - Free Online File Storage Got a few queries about the info on the motor tagsin the pics in the attachment. In the first one in the Voltage box, it has 220 Delta and 380 Star. Does this mean that when the motor is running in delta config, the voltage...

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